The PSMN4R4-80PS from Nexperia is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 3.3 to 9.47 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 4.6 V. Tags: Through Hole. More details for PSMN4R4-80PS can be seen below.